winex11: Moved child window buffer copy to vkQueuePresentKHR

Author: pac85

dlls/winex11.drv/vulkan.c

@@ -403,8 +403,6 @@ static VkResult X11DRV_vkAcquireNextImageKHR(VkDevice device,
         VkSwapchainKHR swapchain, uint64_t timeout, VkSemaphore semaphore,
         VkFence fence, uint32_t *image_index)
 {
-    static int once;
-    struct x11drv_escape_present_drawable escape;
     struct wine_vk_surface *surface = NULL;
     VkResult result;
     VkFence orig_fence;
@@ -439,12 +437,6 @@ static VkResult X11DRV_vkAcquireNextImageKHR(VkDevice device,
     if ((result == VK_SUCCESS || result == VK_SUBOPTIMAL_KHR) && hdc && surface && surface->offscreen)
     {
         if (wait_fence) pvkWaitForFences(device, 1, &fence, 0, timeout);
-        escape.code = X11DRV_PRESENT_DRAWABLE;
-        escape.drawable = surface->window;
-        escape.flush = TRUE;
-        ExtEscape(hdc, X11DRV_ESCAPE, sizeof(escape), (char *)&escape, 0, NULL);
-        if (surface->present_mode == VK_PRESENT_MODE_MAILBOX_KHR)
-            if (once++) FIXME("Application requires child window rendering with mailbox present mode, expect possible tearing!\n");
     }
 
     if (fence != orig_fence) pvkDestroyFence(device, fence, NULL);
@@ -868,6 +860,15 @@ static VkResult X11DRV_vkQueuePresentKHR(VkQueue queue, const VkPresentInfoKHR *
 {
     VkResult res;
 
+    VkSwapchainKHR swapchain;
+
+    static int once;
+    struct x11drv_escape_present_drawable escape;
+    struct wine_vk_surface *surface = NULL;
+    VkFence orig_fence;
+    BOOL wait_fence = FALSE;
+    HDC hdc = 0;
+
     TRACE("%p, %p\n", queue, present_info);
 
     res = pvkQueuePresentKHR(queue, present_info);
@@ -893,6 +894,31 @@ static VkResult X11DRV_vkQueuePresentKHR(VkQueue queue, const VkPresentInfoKHR *
         }
     }
 
+    if(res == VK_SUCCESS) {
+      for(uint32_t i = 0; i < present_info->swapchainCount; i++) {
+        swapchain = present_info->pSwapchains[i];
+
+        EnterCriticalSection(&context_section);
+        if (!XFindContext(gdi_display, (XID)swapchain, vulkan_swapchain_context, (char **)&surface))
+        {
+            wine_vk_surface_grab(surface);
+            hdc = surface->hdc;
+        }
+        LeaveCriticalSection(&context_section);
+
+        if (hdc && surface && surface->offscreen)
+        {
+            escape.code = X11DRV_PRESENT_DRAWABLE;
+            escape.drawable = surface->window;
+            escape.flush = TRUE;
+
+            ExtEscape(hdc, X11DRV_ESCAPE, sizeof(escape), (char *)&escape, 0, NULL);
+            if (surface->present_mode == VK_PRESENT_MODE_MAILBOX_KHR)
+                if (once++) FIXME("Application requires child window rendering with mailbox present mode, expect possible tearing!\n");
+        }
+      }
+    }
+
     return res;
 }